CN112248489A - Production method of high-strength PVC (polyvinyl chloride) buckle plate - Google Patents

Production method of high-strength PVC (polyvinyl chloride) buckle plate Download PDF

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Publication number
CN112248489A
CN112248489A CN202010861949.6A CN202010861949A CN112248489A CN 112248489 A CN112248489 A CN 112248489A CN 202010861949 A CN202010861949 A CN 202010861949A CN 112248489 A CN112248489 A CN 112248489A
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CN
China
Prior art keywords
pvc
namely
machine
plate
buckle plate
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Pending
Application number
CN202010861949.6A
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Chinese (zh)
Inventor
朱佳明
陈夏
朱群杰
许云琦
金志红
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Haining Oupai Industry And Trade Co ltd
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Haining Oupai Industry And Trade Co ltd
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Priority to CN202010861949.6A priority Critical patent/CN112248489A/en
Publication of CN112248489A publication Critical patent/CN112248489A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00Producing flat articles, e.g. films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06Homopolymers or copolymers of vinyl chloride
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29KINDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06PVC, i.e. polyvinylchloride
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24Acids; Salts thereof
    • C08K3/26Carbonates; Bicarbonates
    • C08K2003/265Calcium, strontium or barium carbonate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a production method of a high-strength PVC buckle plate, which is characterized by comprising the following steps: 1) mixing and screening the raw materials at high temperature, namely screening 55% of calcium carbonate, 18% of polyvinyl chloride, 13% of calcium-zinc stabilizer, 7% of tribasic salt, 2% of titanium dioxide, 2% of paraffin, 2% of zinc di-ester and 1% of toughening agent by a powder screening machine after mixing at high temperature; 2) extruding the granules; 3) feeding; 4) performing primary molding; 5) shaping; 6) cutting and cooling; 7) printing; 8) glazing; 9) and (5) boxing and packaging. According to the invention, 55% of calcium carbonate, 18% of polyvinyl chloride, 13% of calcium-zinc stabilizer, 7% of tribasic salt, 2% of titanium dioxide, 2% of paraffin, 2% of di-zinc grease and 1% of toughener are used as production raw materials of the PVC buckle plate, and the PVC buckle plate prepared by a series of process steps of high-temperature mixing, particle extrusion, feeding, preliminary molding, shaping, cutting cooling, printing, polishing and packing is improved in stability and strength compared with the PVC buckle plate produced by the existing method, and is suitable for further popularization and use.

Description

Production method of high-strength PVC (polyvinyl chloride) buckle plate
Technical Field
The invention relates to the technical field of PVC (polyvinyl chloride) buckle plates, in particular to a production method of a high-strength PVC buckle plate.
Background
The PVC buckle plate is a suspended ceiling material, and is made up by using polyvinyl chloride resin as base material, adding a certain quantity of assistants of anti-ageing agent and modifying agent, mixing, calendering and vacuum forming. The PVC pinch plate suspended ceiling is particularly suitable for suspended ceiling decoration of kitchens and toilets, and has the advantages of light weight, moisture resistance, heat insulation, heat preservation, difficult combustion, no dust absorption, easy cleaning, coating, easy installation, low price and the like.
The existing PVC buckle plate is produced without careful research on the types and the proportions of raw materials, and the PVC buckle plate is made of plastic, so that the PVC buckle plate has the characteristics of hardness and brittleness, but has low impact strength and poor processability, namely the PVC buckle plate produced by the existing method has poor stability and strength, and therefore the existing PVC buckle plate needs to be improved.
Disclosure of Invention
The invention aims to provide a production method of a high-strength PVC buckle plate, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production method of a high-strength PVC buckle plate is characterized by comprising the following steps:
1) mixing and screening the raw materials at high temperature, namely screening 55% of calcium carbonate, 18% of polyvinyl chloride, 13% of stabilizer, 7% of tribasic salt, 2% of titanium dioxide, 2% of paraffin, 2% of zinc grease and 1% of toughening agent by a powder screening machine after mixing at high temperature;
2) extruding particles, namely putting the mixed material sieved in the step 1) into an extruder, and extruding the mixed material into particles;
3) feeding, namely adding the granular mixed materials in the step 2) into a feeding machine, and pumping the granular mixed materials into a material box of a host machine by the feeding machine;
4) preliminary forming, namely conveying the materials in the material box in the step 3) into a double-screw extruder, mutually extruding the materials by double screws in the double-screw extruder, adjusting the heating temperature of the double-screw extruder to 150-;
5) shaping, namely absorbing the plate-shaped PVC plate obtained in the step 4) into a smooth and corrosion-resistant PVC plate by a shaping mould through water absorption and air suction;
6) cutting and cooling, namely cutting the shaped PVC plate in the step 5) into required size specifications by using a cutting machine, and then putting the PVC plate into a water tank for cooling;
7) printing, namely putting the PVC plate cooled in the step 6) on a printing machine to print various patterns;
8) glazing, namely putting the printed PVC board obtained in the step 7) into a glazing machine for glazing;
9) boxing and packaging, namely clamping the polished PVC plate obtained in the step 8) into a slip-resistant form, boxing and packaging.
The production method of the high-strength PVC buckle plate is characterized in that the toughening agent in the step 1) is chlorinated polyethylene.
The production method of the high-strength PVC buckle plate is characterized in that the high temperature in the step 1) is 150 ℃, and the powder sieving machine is a powder sieving barrel.
The production method of the high-strength PVC buckle plate is characterized in that the particle extruding machine in the step 2) is a bee rod machine.
The production method of the high-strength PVC buckle plate is characterized in that the cooling time in the step 6) is 3-6 min.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, 55% of calcium carbonate, 18% of polyvinyl chloride, 13% of calcium-zinc stabilizer, 7% of tribasic salt, 2% of titanium dioxide, 2% of paraffin, 2% of di-zinc grease and 1% of toughener are used as production raw materials of the PVC buckle plate, and the PVC buckle plate prepared by a series of process steps of high-temperature mixing, particle extrusion, feeding, preliminary molding, shaping, cutting cooling, printing, polishing and packing is improved in stability and strength compared with the PVC buckle plate produced by the existing method, and is suitable for further popularization and use.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
A production method of a high-strength PVC buckle plate comprises the following process steps:
1) mixing and screening out raw materials at high temperature, namely mixing 55 mass percent of calcium carbonate, 18 mass percent of polyvinyl chloride, 13 mass percent of stabilizer, 7 mass percent of tribasic salt, 2 mass percent of titanium dioxide, 2 mass percent of paraffin, 2 mass percent of zinc grease and 1 mass percent of chlorinated polyethylene at the high temperature of 150 ℃, and screening out the mixture through a powder screening barrel;
2) extruding particles, namely putting the mixed material sieved in the step 1) into an extruder, and extruding the mixed material into particles;
3) feeding, namely adding the granular mixed materials in the step 2) into a bee rod machine, and pumping the granular mixed materials into a material box of a main machine by the bee rod machine;
4) preliminary forming, namely conveying the materials in the material box in the step 3) into a double-screw extruder, mutually extruding the materials by double screws in the double-screw extruder, adjusting the heating temperature of the double-screw extruder to 200 ℃ at the fourth gear, extruding the granular materials into sticky materials, and extruding the sticky materials into plates from the sticky materials through a die;
5) shaping, namely absorbing the plate-shaped PVC plate obtained in the step 4) into a smooth and corrosion-resistant PVC plate by a shaping mould through water absorption and air suction;
6) cutting and cooling, namely cutting the shaped PVC plate in the step 5) into required size specifications by using a cutting machine, and then cooling the PVC plate in a water tank for 5 min;
7) printing, namely putting the PVC plate cooled in the step 6) on a printing machine to print various patterns;
8) glazing, namely putting the printed PVC board obtained in the step 7) into a glazing machine for glazing;
9) boxing and packaging, namely clamping the polished PVC plate obtained in the step 8) into a slip-resistant form, boxing and packaging.
Example two
A production method of a high-strength PVC buckle plate comprises the following process steps:
1) mixing and screening out raw materials at high temperature, namely mixing 55 mass percent of calcium carbonate, 18 mass percent of polyvinyl chloride, 13 mass percent of stabilizer, 7 mass percent of tribasic salt, 2 mass percent of titanium dioxide, 2 mass percent of paraffin, 2 mass percent of zinc grease and 1 mass percent of chlorinated polyethylene at the high temperature of 150 ℃, and screening out the mixture through a powder screening barrel;
2) extruding particles, namely putting the mixed material sieved in the step 1) into an extruder, and extruding the mixed material into particles;
3) feeding, namely adding the granular mixed materials in the step 2) into a bee rod machine, and pumping the granular mixed materials into a material box of a main machine by the bee rod machine;
4) preliminary forming, namely conveying the materials in the material box in the step 3) into a double-screw extruder, mutually extruding the materials by double screws in the double-screw extruder, adjusting the heating temperature of the double-screw extruder to 150 ℃, extruding granular materials into sticky materials, and extruding the sticky materials into plates from the sticky materials through a die;
5) shaping, namely absorbing the plate-shaped PVC plate obtained in the step 4) into a smooth and corrosion-resistant PVC plate by a shaping mould through water absorption and air suction;
6) cutting and cooling, namely cutting the shaped PVC plate in the step 5) into required size specifications by using a cutting machine, and then cooling the PVC plate in a water tank for 3 min;
7) printing, namely putting the PVC plate cooled in the step 6) on a printing machine to print various patterns;
8) glazing, namely putting the printed PVC board obtained in the step 7) into a glazing machine for glazing;
9) boxing and packaging, namely clamping the polished PVC plate obtained in the step 8) into a slip-resistant form, boxing and packaging.
EXAMPLE III
A production method of a high-strength PVC buckle plate comprises the following process steps:
1) mixing and screening out raw materials at high temperature, namely mixing 55% of calcium carbonate, 18% of polyvinyl chloride, 13% of stabilizer, 7% of tribasic salt, 2% of titanium dioxide, 2% of paraffin, 2% of zinc grease and 1% of chlorinated polyethylene at the high temperature of 150 ℃ and screening out the mixture through a powder screening barrel;
2) extruding particles, namely putting the mixed material sieved in the step 1) into an extruder, and extruding the mixed material into particles;
3) feeding, namely adding the granular mixed materials in the step 2) into a bee rod machine, and pumping the granular mixed materials into a material box of a main machine by the bee rod machine;
4) preliminary forming, namely conveying the materials in the material box in the step 3) into a double-screw extruder, mutually extruding the materials by double screws in the double-screw extruder, adjusting the heating temperature of the double-screw extruder to 230 ℃, extruding granular materials into sticky materials, and extruding the sticky materials into plates from the sticky materials through a die;
5) shaping, namely absorbing the plate-shaped PVC plate obtained in the step 4) into a smooth and corrosion-resistant PVC plate by a shaping mould through water absorption and air suction;
6) cutting and cooling, namely cutting the shaped PVC plate in the step 5) into required size specifications by using a cutting machine, and then cooling the PVC plate in a water tank for 6 min;
7) printing, namely putting the PVC plate cooled in the step 6) on a printing machine to print various patterns;
8) glazing, namely putting the printed PVC board obtained in the step 7) into a glazing machine for glazing;
9) boxing and packaging, namely clamping the polished PVC plate obtained in the step 8) into a slip-resistant form, boxing and packaging.
In the three examples, the strength and stability of the final PVC sheet obtained in the three examples were measured by changing the heating temperature of the twin-screw extruder in the fourth gear and the cooling time of the PVC sheet, and it was found that the PVC sheet obtained according to the process of example one had higher strength and better stability, so the process of example one should be put into production in contrast.
In step 1) of the three examples above, the feedstock properties and conditions were as follows:
calcium carbonate: the reinforced PVC buckle plate plays a role of increasing the strength (powder)
Polyvinyl chloride: thickening action (powder)
Calcium zinc stabilizer: stabilization of the Properties of the raw materials (powder)
Three salts: high temperature resistance, can lead the raw materials not to be coked (powder) after high temperature
Titanium dioxide: whiteness (powder) of PVC buckle plate
Paraffin wax: stability of flow (granular)
Di-zinc grease: push property (liquid) for flow
A toughening agent: plays a role of increasing strength (jelly)
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. A production method of a high-strength PVC buckle plate is characterized by comprising the following steps:
1) mixing and screening the raw materials at high temperature, namely screening 55% of calcium carbonate, 18% of polyvinyl chloride, 13% of calcium-zinc stabilizer, 7% of tribasic salt, 2% of titanium dioxide, 2% of paraffin, 2% of zinc di-ester and 1% of toughening agent by a powder screening machine after mixing at high temperature;
2) extruding particles, namely putting the mixed material sieved in the step 1) into an extruder, and extruding the mixed material into particles;
3) feeding, namely adding the granular mixed materials in the step 2) into a feeding machine, and pumping the granular mixed materials into a material box of a host machine by the feeding machine;
4) preliminary forming, namely conveying the materials in the material box in the step 3) into a double-screw extruder, mutually extruding the materials by double screws in the double-screw extruder, adjusting the heating temperature of the double-screw extruder to 150-;
5) shaping, namely absorbing the plate-shaped PVC plate obtained in the step 4) into a smooth and corrosion-resistant PVC plate by a shaping mould through water absorption and air suction;
6) cutting and cooling, namely cutting the shaped PVC plate in the step 5) into required size specifications by using a cutting machine, and then putting the PVC plate into a water tank for cooling;
7) printing, namely putting the PVC plate cooled in the step 6) on a printing machine to print various patterns;
8) glazing, namely putting the printed PVC board obtained in the step 7) into a glazing machine for glazing;
9) boxing and packaging, namely clamping the polished PVC plate obtained in the step 8) into a slip-resistant form, boxing and packaging.
2. The method for producing a high-strength PVC buckle according to claim 1, wherein the toughening agent in step 1) is chlorinated polyethylene.
3. The method for producing the high-strength PVC buckle plate according to claim 1, wherein the high temperature in the step 1) is 150 ℃, and the powder sieving machine is a powder sieving barrel.
4. The method for producing the high-strength PVC buckle plate according to claim 1, wherein the granulator in the step 2) is a bee rod machine.
5. The method for producing a high-strength PVC buckle according to claim 1, wherein the cooling time in step 6) is 3-6 min.
CN202010861949.6A 2020-08-25 2020-08-25 Production method of high-strength PVC (polyvinyl chloride) buckle plate Pending CN112248489A (en)

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Application Number Priority Date Filing Date Title
CN202010861949.6A CN112248489A (en) 2020-08-25 2020-08-25 Production method of high-strength PVC (polyvinyl chloride) buckle plate

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113696440A (en) * 2021-08-03 2021-11-26 佛山市龙异卫浴科技有限公司 PVC co-extrusion molding production process

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134654A (en) * 2007-07-24 2008-03-05 吕富 Novel floor and manufacturing method thereof
CN102863718A (en) * 2012-10-12 2013-01-09 陆玉莲 Manufacturing method of calcium carbonate ceiling decorative plate
CN103012992A (en) * 2012-11-30 2013-04-03 安庆市吉美装饰材料有限责任公司 PVC (Poly Vinyl Chloride) buckling plate
CN108503999A (en) * 2018-05-17 2018-09-07 江苏云石环保建材有限公司 A kind of stone plastic floor and its production technology

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101134654A (en) * 2007-07-24 2008-03-05 吕富 Novel floor and manufacturing method thereof
CN102863718A (en) * 2012-10-12 2013-01-09 陆玉莲 Manufacturing method of calcium carbonate ceiling decorative plate
CN103012992A (en) * 2012-11-30 2013-04-03 安庆市吉美装饰材料有限责任公司 PVC (Poly Vinyl Chloride) buckling plate
CN108503999A (en) * 2018-05-17 2018-09-07 江苏云石环保建材有限公司 A kind of stone plastic floor and its production technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113696440A (en) * 2021-08-03 2021-11-26 佛山市龙异卫浴科技有限公司 PVC co-extrusion molding production process

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